diff --git a/lldb/source/Target/ThreadPlanStepOut.cpp b/lldb/source/Target/ThreadPlanStepOut.cpp
--- a/lldb/source/Target/ThreadPlanStepOut.cpp
+++ b/lldb/source/Target/ThreadPlanStepOut.cpp
@@ -8,6 +8,7 @@
 
 #include "lldb/Target/ThreadPlanStepOut.h"
 #include "lldb/Breakpoint/Breakpoint.h"
+#include "lldb/Core/Section.h"
 #include "lldb/Core/Value.h"
 #include "lldb/Core/ValueObjectConstResult.h"
 #include "lldb/Symbol/Block.h"
@@ -120,6 +121,21 @@
         }
       }
     }
+
+    // Perform some additional validation on the return address.
+    const auto return_address_section = return_address.GetSection();
+    if (!return_address_section) {
+      LLDB_LOGF(log, "Return address had no section.");
+      return;
+    }
+
+    const auto return_address_section_perms =
+        return_address_section->GetPermissions();
+    if (!(return_address_section_perms & ePermissionsExecutable)) {
+      LLDB_LOGF(log, "Return address did not point to executable memory.");
+      return;
+    }
+
     m_return_addr =
         return_address.GetLoadAddress(&m_thread.GetProcess()->GetTarget());